期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 70, 期 39, 页码 12484-12501出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.2c04970
关键词
prediabetes; Morus nigra L; flavonoids; insulin resistance; inflammatory factors
资金
- Fundamental Research Funds for the Central Universities [DUT22YG203, DUT21ZD208]
This research found that the total flavonoids of Morus nigra L. (TFM) could reduce the progression from prediabetes to type 2 diabetes and improve insulin resistance by regulating suppressor of cytokine signaling and protein tyrosine phosphatase 1B, thus maintaining intestinal homeostasis and restraining inflammatory factors.
Prediabetes is a critical stage characterized by insulin resistance. Morus nigra L., an edible plant, is widely used in food and nutritive supplements and exhibits various pharmacological activities; however, its therapeutic effects and mechanisms on prediabetes have rarely been reported. In this research, the major components of total flavonoids of M. nigra L. (TFM) were identified, and TFM treatment was found to reduce prediabetes progressing to type 2 diabetes mellitus (T2DM) from 93.75 to 18.75%. The microbiota and next-generation sequencing combined with western blotting in vivo and in vitro demonstrated that TFM and its components ameliorated insulin resistance mediated by the suppressor of cytokine signaling and protein tyrosine phosphatase 1B, which benefited by maintaining intestinal homeostasis and restraining plasma levels of inflammatory factors. This study confirmed the T2DM prevention effect of TFM and revealed the underlying mechanism, setting the stage for the design of functional foods for diabetes prevention.
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